In February 2018, he was sentenced to 24 weeks in prison and was banned from owning animals for life.

The three pit bull type dogs were also ordered to be destroyed.

Kali was found covered in bite marks, scratches and puncture wounds which vets, including RSPCA Inspector Cliff Harrison, say were consistent with dog fighting.

Kali would suit an active family as she loves the outdoors (Image: RSPCA)

A number of calls were made by Forrest to vets and dog wardens, including from Forrest's mobile, while they tried to find the missing Kali who had escaped and was being treated at a Buntingford vets.

After concluding that the dog belonged to Forrest, who admitted having a 20 year addiction to heroin, the police and RSPCA launched a raid in Aspenden on May 19, 2017, finding books on pit bulls and dog fighting as well as three bull pit type dogs.

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The RSPCA’s special operations unit launched an investigation and Kali was taken in by the charity for treatment.

Staff at RSPCA Block Fen Animal Centre in Cambridgeshire have been looking after Kali for the last year while her case went to court.

“Her injuries are all healed but her scars will always be a reminder of how humans have treated her in the past and any new owners will need to bear in mind where she has come from.”

Remarks from District Judge Derek French

Forrest was due to stand trial but pleaded guilty just before it was about to start to one charge of causing unnecessary suffering to an animal, keeping or training animals for use in dog fights and possessing dogs which were banned under the Dangerous Dogs Act 1991.

District Judge Derek French, sitting at Stevenage Magistrates Court on February 15, said: "You have shown little or no remorse about what these dogs have gone through.

"These dogs were used by you as fighting dogs.

"This was clearly done with a view of commercial gain.

"These dogs were being used and kept as a livelihood for you.

"These dogs were going to suffer seriously."

Kali, a Staffordshire bull terrier, was found covered in injuries after being used in a dog fight (Image: RSPCA)

“Kali has always remained in high spirits and, even though humans have let her down so badly, she still loves everyone she meets,” continued Tiffany.

“She loves nothing more than getting on your lap and getting some well-earned cuddles.

“Kali is very playful and loves her toys.

“Her favourite thing to do is carry a football around in her mouth.

“She is a big fan of being outdoors so is looking for an active family who like going for lots of long walks in the countryside.

“This sweet girl has suffered such cruelty at the hands of people so she really deserves to find new owners who will show her the love and security she craves.”

Kali will benefit from some training classes as it is thought that she has always lived outside and will need to learn how to live in a home.